Q. If the standard length of a crossing is 480 cm, the number of crossing is (Solved)
1. 1 in 8½ of B.G.
2. 1 in 8½ of M.G.
3. Both (a) and (b)
4. None of these
- c. Both (a) and (b)
1. 1 in 8½ of B.G.
2. 1 in 8½ of M.G.
3. Both (a) and (b)
4. None of these